<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>LocalStorage</title>
</head>
<body>
    <button onclick="saveDaa()">点我存储</button>

    <script type="text/javascript">
        let parse = {
            id: 23,
            name: '张三',
            token: 'ferwgtrer4453543t543'
        }
        function saveDaa(){
            localStorage.setItem('msg', JSON.stringify(parse))
        }

    </script>
</body>
</html>